package com.springbase.demo.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

/**
 * @Author: flyFan
 * @Date: 2021/9/14 16:39
 * @Version: 1.0
 */
//@Configuration
public class RedisConfig extends CachingConfigurerSupport {
	
	/**
	 * 自定义缓存key生成策略
 	 */
	@Override
	@Bean
	public KeyGenerator keyGenerator() {
		return new KeyGenerator() {
			@Override
			public Object generate(Object target, java.lang.reflect.Method method, Object... params) {
				StringBuffer sb = new StringBuffer();
				sb.append(target.getClass().getName());
				sb.append(method.getName());
				for (Object obj : params) {
					sb.append(obj.toString());
				}
				return sb.toString();
			}
		};
	}
	
	/**
	 * 缓存管理器
 	 */
	@Bean
	public CacheManager cacheManager(@SuppressWarnings("rawtypes") RedisTemplate redisTemplate) {
//		RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
		// 设置缓存过期时间（秒）
//		cacheManager.(3600);
		return null;
	}
	
	@Bean
	public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
		StringRedisTemplate template = new StringRedisTemplate(factory);
		// 设置序列化工具
		setSerializer(template);
		template.afterPropertiesSet();
		return template;
	}
	
	private void setSerializer(StringRedisTemplate template) {
		@SuppressWarnings({ "rawtypes", "unchecked" })
		Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
		ObjectMapper om = new ObjectMapper();
		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);
		template.setValueSerializer(jackson2JsonRedisSerializer);
	}
	
}
